This investigation evaluated the effects of dietary creatine supplementation of performance of a standard military task (<2 min obstacle course) by Navy Special Warfare personnel (N = 24). Testing occurred before and after five days of creatine or placebo ingestion.

There were no creatine-related differences between conditions for body fat, total body water, blood lactate, or obstacle performance time.

Implication. Creatine supplementation did not affect the performance of a one-time short-duration intense activity.